Final answer:
Tension can be caused by overstimulation, change of routine, and frustration.
Step-by-step explanation:
The correct answer is d. All of the above. Tension can be caused by overstimulation, such as being overwhelmed with multiple tasks or stimuli. Change of routine can also lead to tension because it disrupts familiarity and comfort. Frustration is another common cause of tension, especially when one feels unable to accomplish a goal or resolve a problem.
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